×

DISPLAY DEVICE AND METHOD OF OPERATING THE SAME

  • US 20200135144A1
  • Filed: 09/04/2019
  • Published: 04/30/2020
  • Est. Priority Date: 10/30/2018
  • Status: Active Grant
First Claim
Patent Images

1. A display device, comprising:

  • a display panel configured to output image light;

    a light guide portion configured to guide the image light of the display panel by reflecting the image light at least one time;

    a semi-transmissive portion configured to;

    reflect the image light, guided by the light guide portion, toward the outside of the light guide portion; and

    at the same time;

    transmit a first portion of external light entering the light guide portion; and

    reflect a second portion of the external light; and

    a reflective portion configured to reflect the second portion of the external light, reflected by the semi-transmissive portion, toward the display panel,wherein the display panel includes a light sensor configured to sense the second portion of the external light reflected by the reflective portion, andwherein luminance of the image light of the display panel is changed in accordance with the amount of the external light sensed by the light sensor.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×